9521680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{347}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 25891200

約数和(自身を除く): 16369520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 347, 392, 490, 560, 686, 694, 784, 980, 1372, 1388, 1715, 1735, 1960, 2429, 2744, 2776, 3430, 3470, 3920, 4858, 5488, 5552, 6860, 6940, 9716, 12145, 13720, 13880, 17003, 19432, 24290, 27440, 27760, 34006, 38864, 48580, 68012, 85015, 97160, 119021, 136024, 170030, 194320, 238042, 272048, 340060, 476084, 595105, 680120, 952168, 1190210, 1360240, 1904336, 2380420, 4760840, 9521680]

約数ペア:

[(1, 9521680), (2, 4760840), (4, 2380420), (5, 1904336), (7, 1360240), (8, 1190210), (10, 952168), (14, 680120), (16, 595105), (20, 476084), (28, 340060), (35, 272048), (40, 238042), (49, 194320), (56, 170030), (70, 136024), (80, 119021), (98, 97160), (112, 85015), (140, 68012), (196, 48580), (245, 38864), (280, 34006), (343, 27760), (347, 27440), (392, 24290), (490, 19432), (560, 17003), (686, 13880), (694, 13720), (784, 12145), (980, 9716), (1372, 6940), (1388, 6860), (1715, 5552), (1735, 5488), (1960, 4858), (2429, 3920), (2744, 3470), (2776, 3430)]